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12212202200111 = 38543316846177
BaseRepresentation
bin1011000110110101111111…
…1110010101110000101111
31121020110211100221210001022
42301231133332111300233
53100041042230400421
641550112551404355
72400205516652654
oct261553776256057
947213740853038
1012212202200111
113989190852601
1214529819836bb
136a77b4a1b0c4
143031064b3c2b
15162a027567ab
hexb1b5ff95c2f

12212202200111 has 4 divisors (see below), whose sum is σ = 12212519084832. Its totient is φ = 12211885315392.

The previous prime is 12212202200089. The next prime is 12212202200131. The reversal of 12212202200111 is 11100220221221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12212202200111 - 222 = 12212198005807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212202200111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212202200131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158384546 + ... + 158461631.

It is an arithmetic number, because the mean of its divisors is an integer number (3053129771208).

Almost surely, 212212202200111 is an apocalyptic number.

12212202200111 is a deficient number, since it is larger than the sum of its proper divisors (316884721).

12212202200111 is an equidigital number, since it uses as much as digits as its factorization.

12212202200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316884720.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212202200111 its reverse (11100220221221), we get a palindrome (23312422421332).

The spelling of 12212202200111 in words is "twelve trillion, two hundred twelve billion, two hundred two million, two hundred thousand, one hundred eleven".

Divisors: 1 38543 316846177 12212202200111